At a glance
This stunning no-fuss dessert layers a fluffy sponge cake base with a creamy mascarpone and curd cheese topping, all loaded with fresh summer berries—you'll whisk a simple batter, beat together the cream filling, and let the oven do most of the work while you bake it for about 45 minutes. The longest part is the cooling time, but it's worth the wait for a chilled slice of berry heaven.
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Whisk the egg foam
Whisk the sugar and eggs together until creamy. I use a stand mixer with a Thermomix attachment. Keep whisking until you get a nicely fluffy, pale yellow foam.
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Mix the batter
Add the softened butter and the flour mixed with baking powder. Finish with a pinch of salt, then mix into a batter. Don't worry if it's not very runny — that's normal.
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Prepare the tin
Get a springform cake tin ready. Line the base with a piece of baking paper — I usually clip it into the tin and then trim off the overhanging edges with scissors. Grease the sides with butter or oil. Transfer the batter into the tin and smooth the surface.